John fdtnegait



UNITED STATES PATENT OFFICE.

JOHN FINNEGAN, OF ANN ARBOR, MICHIGAN.

PLOW.

SPECIFICATION forming part of Letters Patent No. 236,881, dated January 25, 1881.

Application filed November 10, 1880. (N'model.)

To all 'whom it may concer/n:

Be it known that I, JOHN FINNEGAN, of Ann Arbor, Washtenaw coun ty, Michigan, have invented an Improvement in Plows, of which the following is a speciiication.

The nature of this invention relates to certain new and useful improvements in the construction of plows, the object of the invention being to provide a brace between the moldboard and landside that will serve also as a means for securing the handles; and to that end the invention consists in the construction and arrangement of such brace, as more fully hereinafter set forth.

Figure lis a rear perspective of a plow with myimproved brace attached. Fig. 2 is a similar view of the brace-iron detached.

In the accompanying drawings, which form a part of this speciication, A represents a mold-board, B the standard, C the landside, and D the point, of' a plow, all of the ordinary construction.

E represents a brace-iron provided with the two arms a b, the former of which is provided with an offset, c, While the latter is curved as shown, so as to tit the curvature ofthe nnerface of the mold-board, and is provided upon its upper end with a short arm, d, the inner. face of which is upon the same plane as thelower end of the arm b. In the braceiron there are formed two rectangular slots, e, to receive the lower ends of the handles F. The brace-iron is secured between the mold-board and landside by suitable bolts passing through the same and the arms a b, care being taken that the odset c of the arm a impinges against the upper edge of the landside. The handles are the arms of the brace by proper bolts or screws V 4o passing through the arms a b d. The object of the offset c is to give greater rigidity to the handle, supported by such arm against downward pressure, and the same result may be produced by a brace, e, secured near the rear end of the landside and extending upwardly to the handle.

Under certain circumstances, especially when chilled mold-boards are employed, they are found frequently to break, owing to the rigidity with which the parts are secured together. To obviate this difficulty the bolt-hole f through the arm d is a slot through which the bolt that secures the arm thereto passes. This allows of a spring of the handle. which will allow ot' a slight spring to the mold-board.

I am aware that a frame has heretofore been inserted between and pivoted to the moldboard and landside of a plow, to which frame the plow-handles have been secured; and I therefore lay no claim, broadly, in a plow, to a frame adapted to support the landside, mold-board, and handles, my invention being confined to the details of construction as set forth in the claim.

What I claim as my invention is The combination, with the mold-board A, landside C, and handles F, of the brace-iron E,rigidly secured at its ends to the mold-board and landside, and provided with the slots c e', arm a, having an offset, c, bearing against the upper edge of the landside, and arm b, having its outer face curved to t the mold-board, and provided at its upper end with the short arm d, substantially as described, and for the purpose set forth.

JOHN FINNEGAN.

Witnesses:

H. S. SPEAGUE, J. PAUL MAYER. 

